GB2200446B - Colour sensor and method for use thereof - Google Patents

Colour sensor and method for use thereof

Info

Publication number
GB2200446B
GB2200446B GB8701714A GB8701714A GB2200446B GB 2200446 B GB2200446 B GB 2200446B GB 8701714 A GB8701714 A GB 8701714A GB 8701714 A GB8701714 A GB 8701714A GB 2200446 B GB2200446 B GB 2200446B
Authority
GB
United Kingdom
Prior art keywords
colour sensor
colour
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB8701714A
Other versions
GB2200446A (en
GB8701714D0 (en
Inventor
Kalin Vassilev Karov
Ludmil Antonov Petrov
Oleg Grigorievitch Tibabtchev
Dimiter Todorov Boykov
Igor Nikolaevitch Serebriakov
Nina Toleva Genova
Boianka Ivanova Bakalova
Penka Boteva Ivanova
Dimiter Vesselinov Tersiev
Viktor Evstatiev Pelov
Boyidar Nikolov Boykov
Vladimir Moiseevitch Skoropad
Alexander Savelievitc Kachurko
Yuri Ivanovitch Feodorov
Mitko Ivanov Todorov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SO RESPROM
UKRNIISHOM
UKRNISSHOM
Original Assignee
SO RESPROM
UKRNIISHOM
UKRNISSHOM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SO RESPROM, UKRNIISHOM, UKRNISSHOM filed Critical SO RESPROM
Priority to GB8701714A priority Critical patent/GB2200446B/en
Priority to DE19873702811 priority patent/DE3702811A1/en
Publication of GB8701714D0 publication Critical patent/GB8701714D0/en
Publication of GB2200446A publication Critical patent/GB2200446A/en
Application granted granted Critical
Publication of GB2200446B publication Critical patent/GB2200446B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2823—Imaging spectrometer
    • G01J2003/2826—Multispectral imaging, e.g. filter imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1793—Remote sensing
    • G01N2021/1797—Remote sensing in landscape, e.g. crops
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3155—Measuring in two spectral ranges, e.g. UV and visible
GB8701714A 1987-01-27 1987-01-27 Colour sensor and method for use thereof Expired - Fee Related GB2200446B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8701714A GB2200446B (en) 1987-01-27 1987-01-27 Colour sensor and method for use thereof
DE19873702811 DE3702811A1 (en) 1987-01-27 1987-01-30 COLOR-SENSITIVE SENSOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8701714A GB2200446B (en) 1987-01-27 1987-01-27 Colour sensor and method for use thereof

Publications (3)

Publication Number Publication Date
GB8701714D0 GB8701714D0 (en) 1987-03-04
GB2200446A GB2200446A (en) 1988-08-03
GB2200446B true GB2200446B (en) 1991-03-13

Family

ID=10611258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8701714A Expired - Fee Related GB2200446B (en) 1987-01-27 1987-01-27 Colour sensor and method for use thereof

Country Status (2)

Country Link
DE (1) DE3702811A1 (en)
GB (1) GB2200446B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2507174B2 (en) * 1990-11-20 1996-06-12 松下電器産業株式会社 Optical disk drive
US5434412A (en) * 1992-07-15 1995-07-18 Myron J. Block Non-spectrophotometric measurement of analyte concentrations and optical properties of objects
US5296702A (en) * 1992-07-28 1994-03-22 Patchen California Structure and method for differentiating one object from another object
US5585626A (en) * 1992-07-28 1996-12-17 Patchen, Inc. Apparatus and method for determining a distance to an object in a field for the controlled release of chemicals on plants, weeds, trees or soil and/or guidance of farm vehicles
US5793035A (en) * 1992-07-28 1998-08-11 Patchen, Inc. Apparatus and method for spraying herbicide on weeds in a cotton field
DE4413739C2 (en) * 1994-04-20 1996-07-18 Deutsche Forsch Luft Raumfahrt Establishment for recognizing and differentiating plants and soil areas as well as for distinguishing crops and wild plants
US5833144A (en) * 1996-06-17 1998-11-10 Patchen, Inc. High speed solenoid valve cartridge for spraying an agricultural liquid in a field
US5763873A (en) * 1996-08-28 1998-06-09 Patchen, Inc. Photodetector circuit for an electronic sprayer
US5789741A (en) * 1996-10-31 1998-08-04 Patchen, Inc. Detecting plants in a field by detecting a change in slope in a reflectance characteristic
US5809440A (en) * 1997-02-27 1998-09-15 Patchen, Inc. Agricultural implement having multiple agents for mapping fields
DE19723770A1 (en) * 1997-06-06 1998-12-10 Hydro Agri Deutschland Gmbh Plant condition measuring device
US6100528A (en) * 1999-01-19 2000-08-08 Wilt; Robert Analytical quantification and process control
DE19950396C2 (en) * 1999-10-12 2002-01-31 Norsk Hydro As Device and method for determining the condition of plants
US7362439B2 (en) 2003-08-01 2008-04-22 Li-Cor, Inc. Method of detecting the condition of a turf grass
DE102007023157A1 (en) * 2007-05-16 2008-11-20 Robert Bosch Gmbh Robot vehicle with drive means and method for driving drive means

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238007A1 (en) * 1972-07-28 1973-12-06 Ems Elektronik Messtechn DEVICE FOR CONTROLLING THE CONSTANCE OF COLORING OF PRINT SHEETS
US4057352A (en) * 1976-05-13 1977-11-08 Genevieve I. Hanscom Color grading apparatus utilizing infrared light source
SU968631A1 (en) * 1981-04-01 1982-10-23 Всесоюзный Научно-Исследовательский Институт По Испытанию Машин И Оборудования Для Животноводства И Кормопроизводства Colour sensitive sensor

Also Published As

Publication number Publication date
GB2200446A (en) 1988-08-03
DE3702811A1 (en) 1988-08-11
GB8701714D0 (en) 1987-03-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee